Answer:
Add a 30-minute face-to-face meeting with each subordinate during the month
Step-by-step explanation:
Donnie adding a 30-minute face-to-face meeting with each subordinate during the month would increase the information richness of his communications because
face-to-face meeting or communication often help or allow people to have a clearer communication or clearer picture of exactly what the person has to say leading to effective and great communication which inturn helps to improve efficiency.
Through Face-to-face meetings an individual can be able to easily read people facial expressions including their body language which may indicate a sign of either positive comfort or discomfort of the people in the meeting.
Therefore Face-to-face communication is the greatest in information richness because participants will be able to get the benefit of both visual and audio stimuli and the feedback in face-to-face meeting is immediate.